/**
 * Copyright (c) 2024 Huawei Technologies Co., Ltd.
 * This file is a part of the CANN Open Software.
 * Licensed under CANN Open Software License Agreement Version 1.0 (the "License").
 * Please refer to the License for details. You may not use this file except in compliance with the License.
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
 * See LICENSE in the root of the software repository for the full text of the License.
 */

/*!
 * \file reduce_xor_sum_tiling.cpp
 * \brief
 */
#include "lib/reduce/reduce_xor_sum_tiling.h"
#include "impl/host_log.h"

namespace AscendC {
namespace {
constexpr uint32_t REDUCE_XOR_SUM_ONE_REPEAT_BYTE_SIZE = 256;
constexpr uint32_t REDUCE_XOR_SUM_REUSE_CALC_PROC = 2U;
constexpr uint32_t REDUCE_XOR_SUM_NOREUSE_CALC_PROC = 3U;

inline uint32_t GetTmpSize(const uint32_t inputSize, const uint32_t typeSize, const bool isReuseSource)
{
    uint32_t calcPro = isReuseSource ? REDUCE_XOR_SUM_REUSE_CALC_PROC : REDUCE_XOR_SUM_NOREUSE_CALC_PROC;
    return calcPro * std::max(inputSize * typeSize, REDUCE_XOR_SUM_ONE_REPEAT_BYTE_SIZE);
}
}  // namespace

void GetReduceXorSumMaxMinTmpSize(const ge::Shape &srcShape, const uint32_t typeSize, const bool isReuseSource,
                                  uint32_t &maxValue, uint32_t &minValue)
{
    const uint32_t inputSize = srcShape.GetShapeSize();
    ASCENDC_HOST_ASSERT(inputSize > 0, return, "ReduceXorSum input Shape size must be greater than 0.");

    maxValue = GetTmpSize(inputSize, typeSize, isReuseSource);
    minValue = maxValue;
}
}  // namespace AscendC